#/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
# *   Mupen64plus - Makefile                                                *
# *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
# *   Copyright (C) 2009 Richard42                                          *
# *                                                                         *
# *   This program is free software; you can redistribute it and/or modify  *
# *   it under the terms of the GNU General Public License as published by  *
# *   the Free Software Foundation; either version 2 of the License, or     *
# *   (at your option) any later version.                                   *
# *                                                                         *
# *   This program is distributed in the hope that it will be useful,       *
# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
# *   GNU General Public License for more details.                          *
# *                                                                         *
# *   You should have received a copy of the GNU General Public License     *
# *   along with this program; if not, write to the                         *
# *   Free Software Foundation, Inc.,                                       *
# *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
# * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
# Makefile for Mupen64plus-ui-console

# detect operation system
UNAME = $(shell uname -s)
OS := NONE
ifeq ("$(UNAME)","Linux")
  OS = LINUX
endif
ifeq ("$(UNAME)","linux")
  OS = LINUX
endif
ifneq ("$(filter GNU hurd,$(UNAME))","")
  OS = LINUX
endif
ifeq ("$(UNAME)","Darwin")
  OS = OSX
endif
ifeq ("$(UNAME)","FreeBSD")
  OS = FREEBSD
endif
ifeq ("$(UNAME)","OpenBSD")
  OS = FREEBSD
  $(warning OS type "$(UNAME)" not officially supported.')
endif
ifneq ("$(filter GNU/kFreeBSD kfreebsd,$(UNAME))","")
  OS = LINUX
endif
ifeq ("$(OS)","NONE")
  $(error OS type "$(UNAME)" not supported.  Please file bug report at 'http://code.google.com/p/mupen64plus/issues')
endif

# detect system architecture
HOST_CPU ?= $(shell uname -m)
NO_ASM ?= 1
CPU := NONE
ifneq ("$(filter x86_64 amd64,$(HOST_CPU))","")
  CPU := X86
  ifeq ("$(BITS)", "32")
    ARCH_DETECTED := 64BITS_32
  else
    ARCH_DETECTED := 64BITS
  endif
endif
ifneq ("$(filter pentium i%86,$(HOST_CPU))","")
  CPU := X86
  ARCH_DETECTED := 32BITS
endif
ifneq ("$(filter ppc macppc socppc powerpc,$(HOST_CPU))","")
  CPU := PPC
  ARCH_DETECTED := 32BITS
  BIG_ENDIAN := 1
  $(warning Architecture "$(HOST_CPU)" not officially supported.')
endif
ifneq ("$(filter ppc64 powerpc64,$(HOST_CPU))","")
  CPU := PPC
  ARCH_DETECTED := 64BITS
  BIG_ENDIAN := 1
  $(warning Architecture "$(HOST_CPU)" not officially supported.')
endif
ifneq ("$(filter arm%,$(HOST_CPU))","")
  ifeq ("$(filter arm%b,$(HOST_CPU))","")
    CPU := ARM
    ARCH_DETECTED := 32BITS
    $(warning Architecture "$(HOST_CPU)" not officially supported.')
  endif
endif
ifeq ("$(CPU)","NONE")
  $(error CPU type "$(HOST_CPU)" not supported.  Please file bug report at 'http://code.google.com/p/mupen64plus/issues')
endif

# base CFLAGS, LDLIBS, and LDFLAGS
OPTFLAGS ?= -O3
CFLAGS += $(OPTFLAGS) -ffast-math -fno-strict-aliasing -pthread -I../../src
LDLIBS += -pthread

ifeq ($(PIE), 1)
  CFLAGS += -fPIE
  LDFLAGS += -fPIE -pie
else
  CFLAGS += -fno-PIE
  LDFLAGS += -fno-PIE
endif

# set special flags per-system
ifeq ($(OS), LINUX)
  LDLIBS += -ldl
endif
ifeq ($(OS), OSX)
  # The mac version of SDL requires inclusion of SDL_main in the executable
  LDLIBS += -ldl $(shell sdl-config --libs)
  ifeq ($(CPU), X86)
    ifeq ($(ARCH_DETECTED), 64BITS)
      CFLAGS += -pipe -arch x86_64 -mmacosx-version-min=10.5 -isysroot /Developer/SDKs/MacOSX10.5.sdk
      LDFLAGS += -arch x86_64
    else
      CFLAGS += -pipe -mmmx -msse -fomit-frame-pointer -arch i686 -mmacosx-version-min=10.5 -isysroot /Developer/SDKs/MacOSX10.5.sdk
      LDFLAGS += -arch i686
    endif
  endif
endif

ifeq ($(BIG_ENDIAN), 1)
  CFLAGS += -DM64P_BIG_ENDIAN
endif

# tweak flags for 32-bit build on 64-bit system
ifeq ($(ARCH_DETECTED), 64BITS_32)
  ifeq ($(OS), FREEBSD)
    $(error Do not use the BITS=32 option with FreeBSD, use -m32 and -m elf_i386)
  endif
  CFLAGS += -m32
  LDFLAGS += -m32 -Wl,-m,elf_i386
endif

# set mupen64plus core API header path
ifneq ("$(APIDIR)","")
  CFLAGS += "-I$(APIDIR)"
else
  TRYDIR = ../../../mupen64plus-core/src/api
  ifneq ("$(wildcard $(TRYDIR)/m64p_types.h)","")
    CFLAGS += -I$(TRYDIR)
  else
    TRYDIR = /usr/local/include/mupen64plus
    ifneq ("$(wildcard $(TRYDIR)/m64p_types.h)","")
      CFLAGS += -I$(TRYDIR)
    else
      TRYDIR = /usr/include/mupen64plus
      ifneq ("$(wildcard $(TRYDIR)/m64p_types.h)","")
        CFLAGS += -I$(TRYDIR)
      else
        $(error Mupen64Plus API header files not found! Use makefile parameter APIDIR to force a location.)
      endif
    endif
  endif
endif

# reduced compile output when running make without V=1
ifneq ($(findstring $(MAKEFLAGS),s),s)
ifndef V
	Q_CC  = @echo '    CC  '$@;
	Q_LD  = @echo '    LD  '$@;
endif
endif

# set base program pointers and flags
CC       ?= gcc
CXX      ?= g++
RM       ?= rm -f
INSTALL  ?= install
MKDIR ?= mkdir -p
COMPILE.c = $(Q_CC)$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
LINK.o = $(Q_LD)$(CC) $(LDFLAGS) $(TARGET_ARCH)

# set special flags for given Makefile parameters
# note: COREDIR _must_ end in a slash if you want it to work; not necessary for the others
ifneq ($(PLUGINDIR),)
  CFLAGS += '-DPLUGINDIR="$(PLUGINDIR)"'
endif
ifneq ($(COREDIR),)
  CFLAGS += '-DCOREDIR="$(COREDIR)"'
endif
ifneq ($(SHAREDIR),)
  CFLAGS += '-DSHAREDIR="$(SHAREDIR)"'
endif
ifeq ($(DEBUG),1)
  CFLAGS += -g
  INSTALL_STRIP_FLAG ?= 
else
  INSTALL_STRIP_FLAG ?= -s
endif

# set installation options
ifeq ($(PREFIX),)
  PREFIX := /usr/local
endif
ifeq ($(BINDIR),)
  BINDIR := $(PREFIX)/bin
endif
ifeq ($(MANDIR),)
  MANDIR := $(PREFIX)/share/man
endif

SRCDIR = ../../src
OBJDIR = _obj

# list of source files to compile
SOURCE = \
	$(SRCDIR)/cheat.c \
	$(SRCDIR)/compare_core.c \
	$(SRCDIR)/core_interface.c \
	$(SRCDIR)/main.c \
	$(SRCDIR)/plugin.c \
	$(SRCDIR)/osal_dynamiclib_unix.c \
	$(SRCDIR)/osal_files_unix.c

# generate a list of object files build, make a temporary directory for them
OBJECTS := $(patsubst $(SRCDIR)/%.c, $(OBJDIR)/%.o, $(filter %.c, $(SOURCE)))
OBJDIRS = $(dir $(OBJECTS))
$(shell $(MKDIR) $(OBJDIRS))

# build targets
TARGET = mupen64plus

targets:
	@echo "Mupen64Plus-ui-console makefile."
	@echo "  Targets:"
	@echo "    all            == Build Mupen64Plus console front-end application"
	@echo "    clean          == remove object files and build products"
	@echo "    rebuild        == clean and re-build all"
	@echo "    install        == Install Mupen64Plus console front-end application"
	@echo "    uninstall      == Uninstall Mupen64Plus console front-end application"
	@echo "  Options:"
	@echo "    COREDIR=path   == default path to search for Mupen64Plus Core (must end with slash)"
	@echo "    PLUGINDIR=path == default path to search for plugins"
	@echo "    SHAREDIR=path  == default path to search for shared data files"
	@echo "    APIDIR=path    == path to find Mupen64Plus Core headers"
	@echo "    OPTFLAGS=flags == compiler optimization (default: -O3)"
	@echo "    PIE=(1|0)      == Force enable/disable of position independent executables"
	@echo "  Install Options:"
	@echo "    PREFIX=path    == install/uninstall prefix (default: /usr/local/)"
	@echo "    BINDIR=path    == path to install mupen64plus binary (default: PREFIX/bin/)"
	@echo "    MANDIR=path    == path to install mupen64plus manual page (default: PREFIX/share/man)"
	@echo "    DESTDIR=path   == path to prepend to all installation paths (only for packagers)"
	@echo "  Debugging Options:"
	@echo "    DEBUG=1        == add debugging symbols to application binary"
	@echo "    LTO=1         == enable experimental build with link-time optimization"
	@echo "    V=1            == show verbose compiler output"

all: $(TARGET)

clean:
	$(RM) -r ./_obj $(TARGET)

rebuild: clean all

install: $(TARGET)
	$(INSTALL) -d "$(DESTDIR)$(BINDIR)"
	$(INSTALL) -m 0755 $(INSTALL_STRIP_FLAG) $(TARGET) "$(DESTDIR)$(BINDIR)"
	$(INSTALL) -d "$(DESTDIR)$(MANDIR)/man6"
	$(INSTALL) -m 0644 ../../doc/mupen64plus.6.gz "$(DESTDIR)$(MANDIR)/man6"

uninstall:
	$(RM) "$(DESTDIR)$(BINDIR)/$(TARGET)" "$(DESTDIR)$(MANDIR)/man6/mupen64plus.6.gz"

# build dependency files
CFLAGS += -MD
-include $(OBJECTS:.o=.d)

ifeq ($(LTO), 1)
  CFLAGS += -flto
  LDFLAGS += -fuse-linker-plugin -fwhole-program $(CFLAGS)
endif

# standard build rules
$(OBJDIR)/%.o: $(SRCDIR)/%.c
	$(COMPILE.c) -o $@ $<

$(TARGET): $(OBJECTS)
	$(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@

.PHONY: all clean install uninstall targets
